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FANUC Alarm CALB-026 — WARN No Link length data available.

FANUC CALB-026 (“WARN No Link length data available.”): This robot model does not have correct link length information set. First check: Make sure the param_group[].sv_dh_a and param_group[].sv_dh_d are set by robot.

Updated 2026-09-17 · LogrobotLM reference

Description

This robot model does not have correct link length information set.

Remedy

Make sure the param_group[].sv_dh_a and param_group[].sv_dh_d are set by robot.

Related codes

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →